#include "arch-utils.h"
#include "cli/cli-utils.h"
#include "common/function-view.h"
+#include "common/byte-vector.h"
/* Define whether or not the C operator '/' truncates towards zero for
differently signed operands (truncation direction is undefined in C).
const struct block *);
static struct type *ada_lookup_struct_elt_type (struct type *, const char *,
- int, int, int *);
+ int, int);
static struct value *evaluate_subexp_type (struct expression *, int *);
static struct value *coerce_unspec_val_to_type (struct value *,
struct type *);
-static struct value *get_var_value (char *, char *);
-
static int lesseq_defined_than (struct symbol *, struct symbol *);
static int equiv_types (struct type *, struct type *);
gdb_byte *unpacked;
const int is_scalar = is_scalar_type (type);
const int is_big_endian = gdbarch_bits_big_endian (get_type_arch (type));
- std::unique_ptr<gdb_byte[]> staging;
- int staging_len = 0;
+ gdb::byte_vector staging;
type = ada_check_typedef (type);
packed, and therefore maybe not at a byte boundary. So, what
we do, is unpack the data into a byte-aligned buffer, and then
use that buffer as our object's value for resolving the type. */
- staging_len = (bit_size + HOST_CHAR_BIT - 1) / HOST_CHAR_BIT;
- staging.reset (new gdb_byte[staging_len]);
+ int staging_len = (bit_size + HOST_CHAR_BIT - 1) / HOST_CHAR_BIT;
+ staging.resize (staging_len);
ada_unpack_from_contents (src, bit_offset, bit_size,
- staging.get (), staging_len,
+ staging.data (), staging.size (),
is_big_endian, has_negatives (type),
is_scalar);
- type = resolve_dynamic_type (type, staging.get (), 0);
+ type = resolve_dynamic_type (type, staging.data (), 0);
if (TYPE_LENGTH (type) < (bit_size + HOST_CHAR_BIT - 1) / HOST_CHAR_BIT)
{
/* This happens when the length of the object is dynamic,
return v;
}
- if (staging != NULL && staging_len == TYPE_LENGTH (type))
+ if (staging.size () == TYPE_LENGTH (type))
{
/* Small short-cut: If we've unpacked the data into a buffer
of the same size as TYPE's length, then we can reuse that,
instead of doing the unpacking again. */
- memcpy (unpacked, staging.get (), staging_len);
+ memcpy (unpacked, staging.data (), staging.size ());
}
else
ada_unpack_from_contents (src, bit_offset, bit_size,
case OP_LONG:
case OP_DOUBLE:
case OP_VAR_VALUE:
+ case OP_VAR_MSYM_VALUE:
*pos += 4;
break;
return sym_name;
}
-/* A companion function to ada_make_symbol_completion_list().
+/* A companion function to ada_collect_symbol_completion_matches().
Check if SYM_NAME represents a symbol which name would be suitable
- to complete TEXT (TEXT_LEN is the length of TEXT), in which case
- it is appended at the end of the given string vector SV.
+ to complete TEXT (TEXT_LEN is the length of TEXT), in which case it
+ is added as a completion match to TRACKER.
ORIG_TEXT is the string original string from the user command
that needs to be completed. WORD is the entire command on which
encoded). */
static void
-symbol_completion_add (VEC(char_ptr) **sv,
- const char *sym_name,
+symbol_completion_add (completion_tracker &tracker,
+ const char *sym_name,
const char *text, int text_len,
const char *orig_text, const char *word,
int wild_match_p, int encoded_p)
strcat (completion, match);
}
- VEC_safe_push (char_ptr, *sv, completion);
+ tracker.add_completion (gdb::unique_xmalloc_ptr<char> (completion));
}
-/* Return a list of possible symbol names completing TEXT0. WORD is
- the entire command on which completion is made. */
+/* Add the list of possible symbol names completing TEXT0 to TRACKER.
+ WORD is the entire command on which completion is made. */
-static VEC (char_ptr) *
-ada_make_symbol_completion_list (const char *text0, const char *word,
- enum type_code code)
+static void
+ada_collect_symbol_completion_matches (completion_tracker &tracker,
+ complete_symbol_mode mode,
+ const char *text0, const char *word,
+ enum type_code code)
{
char *text;
int text_len;
int wild_match_p;
int encoded_p;
- VEC(char_ptr) *completions = VEC_alloc (char_ptr, 128);
struct symbol *sym;
struct compunit_symtab *s;
struct minimal_symbol *msymbol;
ALL_MSYMBOLS (objfile, msymbol)
{
QUIT;
- symbol_completion_add (&completions, MSYMBOL_LINKAGE_NAME (msymbol),
+ symbol_completion_add (tracker, MSYMBOL_LINKAGE_NAME (msymbol),
text, text_len, text0, word, wild_match_p,
encoded_p);
}
ALL_BLOCK_SYMBOLS (b, iter, sym)
{
- symbol_completion_add (&completions, SYMBOL_LINKAGE_NAME (sym),
+ symbol_completion_add (tracker, SYMBOL_LINKAGE_NAME (sym),
text, text_len, text0, word,
wild_match_p, encoded_p);
}
b = BLOCKVECTOR_BLOCK (COMPUNIT_BLOCKVECTOR (s), GLOBAL_BLOCK);
ALL_BLOCK_SYMBOLS (b, iter, sym)
{
- symbol_completion_add (&completions, SYMBOL_LINKAGE_NAME (sym),
+ symbol_completion_add (tracker, SYMBOL_LINKAGE_NAME (sym),
text, text_len, text0, word,
wild_match_p, encoded_p);
}
continue;
ALL_BLOCK_SYMBOLS (b, iter, sym)
{
- symbol_completion_add (&completions, SYMBOL_LINKAGE_NAME (sym),
+ symbol_completion_add (tracker, SYMBOL_LINKAGE_NAME (sym),
text, text_len, text0, word,
wild_match_p, encoded_p);
}
}
do_cleanups (old_chain);
- return completions;
}
/* Field Access */
int
ada_is_tagged_type (struct type *type, int refok)
{
- return (ada_lookup_struct_elt_type (type, "_tag", refok, 1, NULL) != NULL);
+ return (ada_lookup_struct_elt_type (type, "_tag", refok, 1) != NULL);
}
/* True iff TYPE represents the type of X'Tag */
struct type *
ada_tag_type (struct value *val)
{
- return ada_lookup_struct_elt_type (value_type (val), "_tag", 1, 0, NULL);
+ return ada_lookup_struct_elt_type (value_type (val), "_tag", 1, 0);
}
/* Return 1 if TAG follows the old scheme for Ada tags (used for Ada 95,
{
const char *name = ada_variant_discrim_name (var_type);
- return ada_lookup_struct_elt_type (outer_type, name, 1, 1, NULL);
+ return ada_lookup_struct_elt_type (outer_type, name, 1, 1);
}
/* Assuming that TYPE is the type of a variant wrapper, and FIELD_NUM is a
static struct type *
ada_lookup_struct_elt_type (struct type *type, const char *name, int refok,
- int noerr, int *dispp)
+ int noerr)
{
int i;
{
const char *t_field_name = TYPE_FIELD_NAME (type, i);
struct type *t;
- int disp;
if (t_field_name == NULL)
continue;
else if (field_name_match (t_field_name, name))
- {
- if (dispp != NULL)
- *dispp += TYPE_FIELD_BITPOS (type, i) / 8;
- return TYPE_FIELD_TYPE (type, i);
- }
+ return TYPE_FIELD_TYPE (type, i);
else if (ada_is_wrapper_field (type, i))
{
- disp = 0;
t = ada_lookup_struct_elt_type (TYPE_FIELD_TYPE (type, i), name,
- 0, 1, &disp);
+ 0, 1);
if (t != NULL)
- {
- if (dispp != NULL)
- *dispp += disp + TYPE_FIELD_BITPOS (type, i) / 8;
- return t;
- }
+ return t;
}
else if (ada_is_variant_part (type, i))
generates these for unchecked variant types. Revisit
if the compiler changes this practice. */
const char *v_field_name = TYPE_FIELD_NAME (field_type, j);
- disp = 0;
+
if (v_field_name != NULL
&& field_name_match (v_field_name, name))
t = TYPE_FIELD_TYPE (field_type, j);
else
t = ada_lookup_struct_elt_type (TYPE_FIELD_TYPE (field_type,
j),
- name, 0, 1, &disp);
+ name, 0, 1);
if (t != NULL)
- {
- if (dispp != NULL)
- *dispp += disp + TYPE_FIELD_BITPOS (type, i) / 8;
- return t;
- }
+ return t;
}
}
{
const char *discrim_name = ada_variant_discrim_name (var_type);
- return (ada_lookup_struct_elt_type (outer_type, discrim_name, 0, 1, NULL)
- == NULL);
+ return (ada_lookup_struct_elt_type (outer_type, discrim_name, 0, 1) == NULL);
}
const char *name = ada_type_name (fixed_record_type);
char *xvz_name
= (char *) alloca (strlen (name) + 7 /* "___XVZ\0" */);
- int xvz_found = 0;
LONGEST size;
xsnprintf (xvz_name, strlen (name) + 7, "%s___XVZ", name);
- size = get_int_var_value (xvz_name, &xvz_found);
- if (xvz_found && TYPE_LENGTH (fixed_record_type) != size)
+ if (get_int_var_value (xvz_name, size)
+ && TYPE_LENGTH (fixed_record_type) != size)
{
fixed_record_type = copy_type (fixed_record_type);
TYPE_LENGTH (fixed_record_type) = size;
case TYPE_CODE_FUNC:
if (noside == EVAL_AVOID_SIDE_EFFECTS)
{
- struct type *rtype = TYPE_TARGET_TYPE (type);
-
- if (TYPE_GNU_IFUNC (type))
- return allocate_value (TYPE_TARGET_TYPE (rtype));
- return allocate_value (rtype);
+ if (TYPE_TARGET_TYPE (type) == NULL)
+ error_call_unknown_return_type (NULL);
+ return allocate_value (TYPE_TARGET_TYPE (type));
}
- return call_function_by_hand (argvec[0], nargs, argvec + 1);
+ return call_function_by_hand (argvec[0], NULL, nargs, argvec + 1);
case TYPE_CODE_INTERNAL_FUNCTION:
if (noside == EVAL_AVOID_SIDE_EFFECTS)
/* We don't know anything about what the internal
{
type = ada_lookup_struct_elt_type (type1,
&exp->elts[pc + 2].string,
- 1, 1, NULL);
+ 1, 1);
/* If the field is not found, check if it exists in the
extension of this object's type. This means that we
else
type =
ada_lookup_struct_elt_type (type1, &exp->elts[pc + 2].string, 1,
- 0, NULL);
+ 0);
return value_zero (ada_aligned_type (type), lval_memory);
}
otherwise causes an error with message ERR_MSG. */
static struct value *
-get_var_value (char *name, char *err_msg)
+get_var_value (const char *name, const char *err_msg)
{
struct block_symbol *syms;
int nsyms;
return value_of_variable (syms[0].symbol, syms[0].block);
}
-/* Value of integer variable named NAME in the current environment. If
- no such variable found, returns 0, and sets *FLAG to 0. If
- successful, sets *FLAG to 1. */
+/* Value of integer variable named NAME in the current environment.
+ If no such variable is found, returns false. Otherwise, sets VALUE
+ to the variable's value and returns true. */
-LONGEST
-get_int_var_value (char *name, int *flag)
+bool
+get_int_var_value (const char *name, LONGEST &value)
{
struct value *var_val = get_var_value (name, 0);
if (var_val == 0)
- {
- if (flag != NULL)
- *flag = 0;
- return 0;
- }
- else
- {
- if (flag != NULL)
- *flag = 1;
- return value_as_long (var_val);
- }
+ return false;
+
+ value = value_as_long (var_val);
+ return true;
}
}
else
{
- int ok;
-
strcpy (name_buf + prefix_len, "___L");
- L = get_int_var_value (name_buf, &ok);
- if (!ok)
+ if (!get_int_var_value (name_buf, L))
{
lim_warning (_("Unknown lower bound, using 1."));
L = 1;
}
else
{
- int ok;
-
strcpy (name_buf + prefix_len, "___U");
- U = get_int_var_value (name_buf, &ok);
- if (!ok)
+ if (!get_int_var_value (name_buf, U))
{
lim_warning (_("Unknown upper bound, using %ld."), (long) L);
U = L;
static int
is_known_support_routine (struct frame_info *frame)
{
- struct symtab_and_line sal;
char *func_name;
enum language func_lang;
int i;
/* If this code does not have any debugging information (no symtab),
This cannot be any user code. */
- find_frame_sal (frame, &sal);
+ symtab_and_line sal = find_frame_sal (frame);
if (sal.symtab == NULL)
return 1;
int disabled,
int from_tty)
{
- struct ada_catchpoint *c;
char *addr_string = NULL;
const struct breakpoint_ops *ops = NULL;
struct symtab_and_line sal
= ada_exception_sal (ex_kind, excep_string, &addr_string, &ops);
- c = new ada_catchpoint ();
- init_ada_exception_breakpoint (c, gdbarch, sal, addr_string,
+ std::unique_ptr<ada_catchpoint> c (new ada_catchpoint ());
+ init_ada_exception_breakpoint (c.get (), gdbarch, sal, addr_string,
ops, tempflag, disabled, from_tty);
c->excep_string = excep_string;
- create_excep_cond_exprs (c);
+ create_excep_cond_exprs (c.get ());
if (cond_string != NULL)
- set_breakpoint_condition (c, cond_string, from_tty);
- install_breakpoint (0, c, 1);
+ set_breakpoint_condition (c.get (), cond_string, from_tty);
+ install_breakpoint (0, std::move (c), 1);
}
/* Implement the "catch exception" command. */
gets pushed. */
static void
-ada_add_standard_exceptions (regex_t *preg, VEC(ada_exc_info) **exceptions)
+ada_add_standard_exceptions (compiled_regex *preg,
+ VEC(ada_exc_info) **exceptions)
{
int i;
for (i = 0; i < ARRAY_SIZE (standard_exc); i++)
{
if (preg == NULL
- || regexec (preg, standard_exc[i], 0, NULL, 0) == 0)
+ || preg->exec (standard_exc[i], 0, NULL, 0) == 0)
{
struct bound_minimal_symbol msymbol
= ada_lookup_simple_minsym (standard_exc[i]);
gets pushed. */
static void
-ada_add_exceptions_from_frame (regex_t *preg, struct frame_info *frame,
+ada_add_exceptions_from_frame (compiled_regex *preg,
+ struct frame_info *frame,
VEC(ada_exc_info) **exceptions)
{
const struct block *block = get_frame_block (frame, 0);
/* Return true if NAME matches PREG or if PREG is NULL. */
static bool
-name_matches_regex (const char *name, regex_t *preg)
+name_matches_regex (const char *name, compiled_regex *preg)
{
return (preg == NULL
- || regexec (preg, ada_decode (name), 0, NULL, 0) == 0);
+ || preg->exec (ada_decode (name), 0, NULL, 0) == 0);
}
/* Add all exceptions defined globally whose name name match
gets pushed. */
static void
-ada_add_global_exceptions (regex_t *preg, VEC(ada_exc_info) **exceptions)
+ada_add_global_exceptions (compiled_regex *preg,
+ VEC(ada_exc_info) **exceptions)
{
struct objfile *objfile;
struct compunit_symtab *s;
do not match. Otherwise, all exceptions are listed. */
static VEC(ada_exc_info) *
-ada_exceptions_list_1 (regex_t *preg)
+ada_exceptions_list_1 (compiled_regex *preg)
{
VEC(ada_exc_info) *result = NULL;
struct cleanup *old_chain
VEC(ada_exc_info) *
ada_exceptions_list (const char *regexp)
{
- VEC(ada_exc_info) *result = NULL;
- struct cleanup *old_chain = NULL;
- regex_t reg;
-
- if (regexp != NULL)
- old_chain = compile_rx_or_error (®, regexp,
- _("invalid regular expression"));
-
- result = ada_exceptions_list_1 (regexp != NULL ? ® : NULL);
+ if (regexp == NULL)
+ return ada_exceptions_list_1 (NULL);
- if (old_chain != NULL)
- do_cleanups (old_chain);
- return result;
+ compiled_regex reg (regexp, REG_NOSUB, _("invalid regular expression"));
+ return ada_exceptions_list_1 (®);
}
/* Implement the "info exceptions" command. */
".adb", ".ads", ".a", ".ada", ".dg", NULL
};
-const struct language_defn ada_language_defn = {
+extern const struct language_defn ada_language_defn = {
"ada", /* Language name */
"Ada",
language_ada,
0, /* c-style arrays */
1, /* String lower bound */
ada_get_gdb_completer_word_break_characters,
- ada_make_symbol_completion_list,
+ ada_collect_symbol_completion_matches,
ada_language_arch_info,
ada_print_array_index,
default_pass_by_reference,
void
_initialize_ada_language (void)
{
- add_language (&ada_language_defn);
-
initialize_ada_catchpoint_ops ();
add_prefix_cmd ("ada", no_class, set_ada_command,
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